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Class 6 Maths Worksheet: Integers and Roman Numerals

Maths worksheets lesson 41: Integers and Roman numerals · Set 850 · 40 sums
TalentJR

The method (Walk the number line): On a number line, the number further right is bigger: −3 > −8, and every negative number is smaller than 0. Same signs: add the sizes and keep the sign. Different signs: subtract the smaller size from the bigger and keep the sign of the bigger size. Taking away more than you have goes below 0: 5 − 12 = −7. Roman numerals: add the values, but a smaller numeral before a bigger one is taken away — IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900.

NameDateTime takenScore ___ / 40
  1. 1.What is (−9) + 42? =
  2. 2.What is 11 − 19? (a) 30 (b) −8 (c) −30 (d) 8
  3. 3.What number is the Roman numeral DCIV?
  4. 4.How many integers are there between −11 and 1? (Do not count −11 and 1 themselves.)
  5. 5.How many integers are there between −2 and 3? (Do not count −2 and 3 themselves.)
  6. 6.What is 13 + (−9)? =
  7. 7.At night the temperature in Leh was −5 °C. By noon it had gone up by 6 °C. What was the temperature at noon (in °C)?
  8. 8.What is 6 − 17? (a) 23 (b) 11 (c) −23 (d) −11
  9. 9.Which is smaller: −5 or 19? (a) 19 (b) −5
  10. 10.At night the temperature in Leh was −4 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
  11. 11.What is 50 + (−30)? =
  12. 12.Which is smaller: −20 or −19? (a) −20 (b) −19
  13. 13.How many integers are there between −7 and 4? (Do not count −7 and 4 themselves.)
  14. 14.At night the temperature in Gulmarg was −5 °C. By noon it had gone up by 11 °C. What was the temperature at noon (in °C)?
  15. 15.At night the temperature in Manali was −13 °C. By noon it had gone up by 19 °C. What was the temperature at noon (in °C)?
  16. 16.What is (−19) + (−21)? (a) 40 (b) −40 (c) −2 (d) 2
  17. 17.What is 6 − 9? (a) −15 (b) 15 (c) 3 (d) −3
  18. 18.Which is bigger: 18 or −20? (a) 18 (b) −20
  19. 19.How is 807 written in Roman numerals? (a) DCCCVII (b) DCCCVI (c) DCCCXVII
  20. 20.How is 53 written in Roman numerals? (a) LXIII (b) LII (c) LIII
  21. 21.How is 78 written in Roman numerals? (a) LXXVII (b) LXXXVIII (c) LXXVIII
  22. 22.Which is bigger: −13 or −4? (a) −13 (b) −4
  23. 23.What is 47 + (−27)? =
  24. 24.What is (−15) + 16? =
  25. 25.How many integers are there between −1 and 11? (Do not count −1 and 11 themselves.)
  26. 26.Which is smaller: 5 or −16? (a) 5 (b) −16
  27. 27.Which is bigger: 15 or −5? (a) −5 (b) 15
  28. 28.How is 30 written in Roman numerals? (a) XL (b) XXX (c) XXIX
  29. 29.What number is the Roman numeral CCXC?
  30. 30.Which is smaller: −18 or −3? (a) −18 (b) −3
  31. 31.What is 44 + (−10)? =
  32. 32.How is 555 written in Roman numerals? (a) DLXV (b) DLIV (c) DLV
  33. 33.What is (−7) + 2? (a) −5 (b) −9 (c) 5 (d) 9
  34. 34.Which is bigger: −10 or −20? (a) −20 (b) −10
  35. 35.How many integers are there between −9 and 1? (Do not count −9 and 1 themselves.)
  36. 36.What number is the Roman numeral DXL?
  37. 37.How many integers are there between −3 and 1? (Do not count −3 and 1 themselves.)
  38. 38.What is 40 + (−11)? =
  39. 39.How is 63 written in Roman numerals? (a) LXII (b) LXXIII (c) LXIII
  40. 40.What number is the Roman numeral CCCXXIV?

Answer key

  1. 33
  2. −8
  3. 604
  4. 11
  5. 4
  6. 4
  7. 1
  8. −11
  9. −5
  10. 15
  11. 20
  12. −20
  13. 10
  14. 6
  15. 6
  16. −40
  17. −3
  18. 18
  19. DCCCVII
  20. LIII
  21. LXXVIII
  22. −4
  23. 20
  24. 1
  25. 11
  26. −16
  27. 15
  28. XXX
  29. 290
  30. −18
  31. 34
  32. DLV
  33. −5
  34. −10
  35. 9
  36. 540
  37. 3
  38. 29
  39. LXIII
  40. 324

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